<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>用户登录</p>
    </header>
    <!-- 表单部分 -->
    <ul class="form-box">
      <li>
        <div class="title">
          用户名：
        </div>
        <div class="content">
          <input type="text" v-model="userName" placeholder="请输入用户名">
        </div>
      </li>
      <li>
        <div class="title">
          密码：
        </div>
        <div class="content">
          <input type="password" v-model="password" placeholder="请输入密码">
        </div>
      </li>
    </ul>
    <div class="button-login">
      <button @click="login">登录</button>
    </div>
    <div class="button-register">
      <button @click="register">去注册</button>
    </div>
    <!-- 底部菜单部分 -->
    <Footer></Footer>
  </div>
</template>
<script setup>
import { ref } from 'vue'
import { useRouter } from 'vue-router'
import Footer from '@/views/Footer.vue'
import { userApi } from '@/api/user'
import { ElMessage } from 'element-plus'

const router = useRouter()
const userName = ref('')
const password = ref('')

const login = async () => {
  if (userName.value === '') {
    ElMessage.warning('用户名不能为空！')
    return
  }
  if (password.value === '') {
    ElMessage.warning('密码不能为空！')
    return
  }

  try {
    const response = await userApi.login({
      userName: userName.value,
      password: password.value
    })
    
    if (response.token) {
      // 保存token
      localStorage.setItem('token', response.token)
      // 保存用户基本信息
      sessionStorage.setItem('user', JSON.stringify({
        userName: userName.value
      }))
      
      ElMessage.success(response.message || '登录成功')
      setTimeout(() => {
        router.push('/')
      }, 100)
    } else {
      ElMessage.error(response.message || '登录失败')
    }
  } catch(error) {
    console.error('登录失败:', error)
    ElMessage.error(error.response?.data?.message || '登录失败，请稍后重试')
  }
}

const register = () => {
  router.push('/register')
}
</script>
<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}
/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #fff;
  font-size: 4.8vw;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
/****************** 表单部分 ******************/
.wrapper .form-box {
  width: 100%;
  margin-top: 12vw;
}
.wrapper .form-box li {
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
  display: flex;
  align-items: center;
}
.wrapper .form-box li .title {
  flex: 0 0 18vw;
  font-size: 3vw;
  font-weight: 700;
  color: #666;
}
.wrapper .form-box li .content {
  flex: 1;
}
.wrapper .form-box li .content input {
  border: none;
  outline: none;
  width: 100%;
  height: 4vw;
  font-size: 3vw;
}
.wrapper .button-login {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}
.wrapper .button-login button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #fff;
  background-color: #38CA73;
  border-radius: 4px;
  border: none;
  outline: none;
}
.wrapper .button-register {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}
.wrapper .button-register button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  /*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
  color: #666;
  background-color: #EEE;
  border: solid 1px #DDD;
  border-radius: 4px;
  outline: none;
}
/****************** 底部菜单部分 ******************/
.wrapper .footer {
  width: 100%;
  height: 14vw;
  border-top: solid 1px #DDD;
  background-color: #fff;
  position: fixed;
  left: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.wrapper .footer li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #999;
  user-select: none;
  cursor: pointer;
}
.wrapper .footer li p {
  font-size: 2.8vw;
}
.wrapper .footer li i {
  font-size: 5vw;
}
</style>
